VERSA III type electric lubrication pump is a gear pump. Its structure is reasonable, performance is excellent, function is complete, self-priming performance is good, and volumetric efficiency is high. Its oil tank capacity has 2L, 3L, 4L, 6L, 10L, 20L and other specifications. In addition, the 4L oil tank has plastic and metal tanks. The 6L, 10L, and 20L oil tanks are only metal tanks. The pump is equipped with a liquid level switch. When used in the SLR system, it can be connected with the SM-AC or SM-B type timer on the pump. It can also be connected with the user's main device control system to realize monitoring of the oil level and pressure in the oil tank and setting of lubrication period.